Yamada Ryu, a second year student who attends the prestigious Suzaku Private High School, is a problem child who comes to school late and leaves early, is prone to fighting all over the place, and even nods off in class. One day, he falls down the stairs with the honor student Shiraishi Urara. They faint, and when he wakes up in the infirmary he's turned into her!
Knock yourself out and 
go buddy up with Yamada.
Nur zu, tu dich mit
Yamada zusammen.
Te tropiezas con él y ahora eres amiga...
Primero te tropiezas con él y ahora 
eres amiga de la escoria del instituto.
C’est ça, sympathise avec Yamada.
Tutto sommato, puoi sempre farti amico Yamada.
Pode se sentir livre para ir
ser amiguinha do Yamada.
Пытаешься подружиться с этим Ямадой?